diff options
Diffstat (limited to 'src/libstrongswan/utils/utils.h')
| -rw-r--r-- | src/libstrongswan/utils/utils.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/libstrongswan/utils/utils.h b/src/libstrongswan/utils/utils.h index a55e7d831..4b2990371 100644 --- a/src/libstrongswan/utils/utils.h +++ b/src/libstrongswan/utils/utils.h @@ -752,6 +752,7 @@ typedef u_int refcount_t; #define ref_get(ref) __sync_add_and_fetch(ref, 1) #define ref_put(ref) (!__sync_sub_and_fetch(ref, 1)) +#define ref_cur(ref) __sync_fetch_and_add(ref, 0) #define cas_bool(ptr, oldval, newval) \ (__sync_bool_compare_and_swap(ptr, oldval, newval)) @@ -763,7 +764,7 @@ typedef u_int refcount_t; /** * Get a new reference. * - * Increments the reference counter atomic. + * Increments the reference counter atomically. * * @param ref pointer to ref counter * @return new value of ref @@ -773,7 +774,7 @@ refcount_t ref_get(refcount_t *ref); /** * Put back a unused reference. * - * Decrements the reference counter atomic and + * Decrements the reference counter atomically and * says if more references available. * * @param ref pointer to ref counter @@ -782,6 +783,14 @@ refcount_t ref_get(refcount_t *ref); bool ref_put(refcount_t *ref); /** + * Get the current value of the reference counter. + * + * @param ref pointer to ref counter + * @return current value of ref + */ +refcount_t ref_cur(refcount_t *ref); + +/** * Atomically replace value of ptr with newval if it currently equals oldval. * * @param ptr pointer to variable |